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STEP 1
STEP 2
STEP 3
STEP 4
315
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Dynamic Entries—These are mapping pairs that either added by the system as a
result of being used by the user, or and an entry for each IP address configured on the
device by DHCP. There can be 256 dynamic entries.
Name resolution always begins by checking static entries, continues by checking the dynamic
entries, and ends by sending requests to the external DNS server.
Eight IP addresses are supported per DNS server per host name.
To add a host name and its IP address:
Click IP Configuration > Domain Name System> Host Mapping.
If required, select the Clear Table option to clear some or all of the entries in the Host
Mapping Table.
•
Static Only—Deletes the static hosts.
•
Dynamic Only—Deletes the dynamic hosts.
•
All Dynamic & Static—Deletes the static and dynamic hosts.
The Host Mapping Table displays the following fields:
•
Host Name—User-defined host name or fully-qualified name.
•
IP Address—The host IP address.
•
IP Version—IP version of the host IP address.
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Type—Is this a Dynamic or Static entry to the cache.
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Status— Displays the results of attempts to access the host
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OK—Attempt succeeded.
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Negative Cache—Attempt failed, do not try again.
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No Response—There was no response, but system can try again in future.
•
TTL (Sec)— If this is a dynamic entry, how long will it remain in the cache.
•
Remaining TTL (Sec)— If this is a dynamic entry, how much longer will it remain in
the cache.
To add a host mapping, click Add.
Enter the parameters.
•
IP Version—Select Version 6 for IPv6 or Version 4 for IPv4.
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
IP Configuration
Domain Name System
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